1332045

Appears in sequences

• a(n) = 12 * C(2n+1,n-5) / (n+7).at n=8A090749
• 9th column of Catalan triangle A009766.at n=11A124087
• G.f. satisfies: A(x - x^3) = x^3 - x^9.at n=18A140093